It's chaos on the trains this afternoon, with delays on the Craigieburn line affecting services.
According to Metro Trains, there are major delays due to a track fault at Essendon, with commuters advised to use alternative transport such as the 501 or 542 buses.
Passengers on services stuck between Glenbervie and Essendon stations on the Craigieburn line have also been advised to not try to force the doors open or exit the trains.
There are reports of delays up to 30 minutes, with the issues on the Craigieburn services affecting all train lines.
More to come.